As EPA Weighs PFAS Human-Health Data, Groups Spar On Study Methods

Environmentalists are welcoming EPA’s increasing use of epidemiological data to drive its risk assessments for per- and polyfluoroalkyl substances (PFAS), with several groups saying the move away from animal testing could be key to moving regulation forward -- but some say current studies are not robust enough to ensure that outcome. In particular, one environmentalist tells Inside TSCA , EPA needs studies with “statistical power” to prove relationships between PFAS exposures and health impacts like cancer or immune system loss...